Toyota Corolla (E170): Using the steering wheel switches

The steering wheel switches can be used to operate a connected cellular phone or portable digital audio player (portable player).

Operating a Bluetooth® phone using the steering wheel switches

1 Volume
The voice guidance volume cannot be adjusted using these buttons.

2 Off-hook switch
Turns the hands-free system on/starts a call 3 On-hook switch Turns the hands-free system off/ends a call/refuses a call

Registering a Bluetooth® device

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    Circuit description
    The park/neutral position switch detects the shift lever position and sends signals to the ecm. Monitor description The park/neutral position switch detects the gearshift position and sends a signal to the ecm. For security, the park/neutral position switch detects the gearshift positio ...

    Inspection procedure
    1 Inspect dlc3 terminal voltage(ts terminal) Turn the ignition switch to on. measure voltage between terminals ts and cg of dlc3. Ok: voltage: 10 – 14 v 2 Check harness and connector(dlc3 – body ground) Check for open and short circuit in harness and connector between ...

    On–vehicle inspection
    1. Horn button assy (vehicles not involved in collision) Check the diagnostic system . visually check the following item with the horn button assy (with airbag) installed in the vehicle. Check cuts, minute cracks or marked discoloration on the horn button assy top surface and in the ...